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sysfs, kernfs: introduce kernfs_rename[_ns]()

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Introduce kernfs rename interface, krenfs_rename[_ns]().

This is just rename of sysfs_rename().  No functional changes.
Function comment is added to kernfs_rename_ns() and @new_parent_sd is
renamed to @new_parent for consistency with other kernfs interfaces.

v2: Dummy implementation for !CONFIG_SYSFS updated to return -ENOSYS.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Tejun Heo 2013-11-23 17:21:51 -05:00 • committed by Greg Kroah-Hartman
parent 5d0e26bb59
commit 890ece160c
4 changed files with 23 additions and 12 deletions
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7
include/linux/kernfs.h
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@ -20,6 +20,8 @@ struct sysfs_dirent *kernfs_create_link(struct sysfs_dirent *parent,
void kernfs_remove(struct sysfs_dirent *sd);
int kernfs_remove_by_name_ns(struct sysfs_dirent *parent, const char *name,
const void *ns);
int kernfs_rename_ns(struct sysfs_dirent *sd, struct sysfs_dirent *new_parent,
const char *new_name, const void *new_ns);
#else /* CONFIG_SYSFS */
@ -34,6 +36,11 @@ static inline int kernfs_remove_by_name_ns(struct sysfs_dirent *parent,
const char *name, const void *ns)
{ return -ENOSYS; }
static inline int kernfs_rename_ns(struct sysfs_dirent *sd,
struct sysfs_dirent *new_parent,
const char *new_name, const void *new_ns)
{ return -ENOSYS; }
#endif /* CONFIG_SYSFS */
static inline int kernfs_remove_by_name(struct sysfs_dirent *parent,